| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/13/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/11/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/11/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/11/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/11/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/11/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/11/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/14/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/23/14 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |